Merge remote-tracking branch 'airsonic/pr/898'

Conflicts:
	airsonic-main/src/main/java/org/airsonic/player/controller/StreamController.java

airsonic-main/src/main/java/org/airsonic/player/controller/StreamController.java

@@ -107,7 +107,7 @@ public class StreamController  {
                 playQueue.addFiles(false, playlistService.getFilesInPlaylist(playlistId));
                 player.setPlayQueue(playQueue);
                 Util.setContentLength(response, playQueue.length());
-                LOG.info("Incoming Podcast request for playlist " + playlistId);
+                LOG.info("{}: Incoming Podcast request for playlist {}", request.getRemoteAddr(), playlistId);
             }
 
             response.setHeader("Access-Control-Allow-Origin", "*");
@@ -164,7 +164,7 @@ public class StreamController  {
 
                 range = getRange(request, file);
                 if (settingsService.isEnableSeek() && range != null && !file.isVideo()) {
-                    LOG.info("Got HTTP range: " + range);
+                    LOG.info("{}: Got HTTP range: {}", request.getRemoteAddr(), range);
                     response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
                     Util.setContentLength(response, range.isClosed() ? range.size() : fileLength - range.getFirstBytePos());
                     long lastBytePos = range.getLastBytePos() != null ? range.getLastBytePos() : fileLength - 1;
@@ -248,12 +248,22 @@ public class StreamController  {
                     }
                 }
             }
-        } catch (Exception err) {
-            if("org.apache.catalina.connector.ClientAbortException".equals(err.getClass().getName())) {
-                LOG.info("org.apache.catalina.connector.ClientAbortException: Connection reset");
+        } catch (IOException e) {
+
+            // This happens often and outside of the control of the server, so
+            // we catch Tomcat/Jetty "connection aborted by client" exceptions
+            // and display a short error message.
+            boolean shouldCatch = false;
+            shouldCatch |= Util.isInstanceOfClassName(e, "org.apache.catalina.connector.ClientAbortException");
+            shouldCatch |= Util.isInstanceOfClassName(e, "org.eclipse.jetty.io.EofException");
+            if (shouldCatch) {
+                LOG.info("{}: Client unexpectedly closed connection while loading {} ({})", request.getRemoteAddr(), Util.getURLForRequest(request), e.getCause().toString());
                 return;
             }
-            LOG.error("Error occurred in handleRequest.", err);
+
+            // Rethrow the exception in all other cases
+            throw e;
+
         } finally {
             if (status != null) {
                 securityService.updateUserByteCounts(user, status.getBytesTransfered(), 0L, 0L);
@@ -428,5 +438,4 @@ public class StreamController  {
         out.write(buf);
         out.flush();
     }
-
 }

airsonic-main/src/main/java/org/airsonic/player/io/PlayQueueInputStream.java

@@ -117,7 +117,7 @@ public class PlayQueueInputStream extends InputStream {
             close();
         } else if (!file.equals(currentFile)) {
             close();
-            LOG.info(player.getUsername() + " listening to \"" + FileUtil.getShortPath(file.getFile()) + "\"");
+            LOG.info("{}: {} listening to {}", player.getIpAddress(), player.getUsername(), FileUtil.getShortPath(file.getFile()));
             mediaFileService.incrementPlayCount(file);
 
             // Don't scrobble REST players (except Sonos)

airsonic-main/src/main/java/org/airsonic/player/spring/LoggingExceptionResolver.java

@@ -1,5 +1,6 @@
 package org.airsonic.player.spring;
 
+import org.airsonic.player.util.Util;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.core.Ordered;
@@ -11,13 +12,25 @@ import javax.servlet.http.HttpServletResponse;
 
 public class LoggingExceptionResolver implements HandlerExceptionResolver, Ordered {
 
-    private static final Logger logger = LoggerFactory.getLogger(LoggingExceptionResolver.class);
+    private static final Logger LOG = LoggerFactory.getLogger(LoggingExceptionResolver.class);
 
     @Override
     public ModelAndView resolveException(
-            HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e
+            HttpServletRequest request, HttpServletResponse response, Object o, Exception e
     ) {
-        logger.error("Exception occurred", e);
+        // This happens often and outside of the control of the server, so
+        // we catch Tomcat/Jetty "connection aborted by client" exceptions
+        // and display a short error message.
+        boolean shouldCatch = false;
+        shouldCatch |= Util.isInstanceOfClassName(e, "org.apache.catalina.connector.ClientAbortException");
+        shouldCatch |= Util.isInstanceOfClassName(e, "org.eclipse.jetty.io.EofException");
+        if (shouldCatch) {
+            LOG.info("{}: Client unexpectedly closed connection while loading {} ({})", request.getRemoteAddr(), Util.getURLForRequest(request), e.getCause().toString());
+            return null;
+        }
+
+        // Display a full stack trace in all other cases
+        LOG.error("{}: An exception occurred while loading {}", request.getRemoteAddr(), Util.getURLForRequest(request), e);
         return null;
     }
 

airsonic-main/src/main/java/org/airsonic/player/util/Util.java

@@ -25,6 +25,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import java.util.ArrayList;
@@ -117,4 +118,30 @@ public final class Util {
             return "";
         }
     }
+
+    /**
+     * Return a complete URL for the given HTTP request,
+     * including the query string.
+     *
+     * @param request An HTTP request instance
+     * @return The associated URL
+     */
+    public static String getURLForRequest(HttpServletRequest request) {
+        String url = request.getRequestURL().toString();
+        String queryString = request.getQueryString();
+        if (queryString != null && queryString.length() > 0) url += "?" + queryString;
+        return url;
+    }
+
+    /**
+     * Return true if the given object is an instance of the class name in argument.
+     * If the class doesn't exist, returns false.
+     */
+    public static boolean isInstanceOfClassName(Object o, String className) {
+        try {
+            return Class.forName(className).isInstance(o);
+        } catch (ClassNotFoundException e) {
+            return false;
+        }
+    }
 }